Urine stone is possible in any age but the most frequent age in which marked urine stones are seen is in middle aged men (30 to 60) while unmarked stones are frequent in women. Bladder stone is more frequent in children and adults and eating meals containing a lot of nuts causes the outbreak of stone bladder in children.  

   Urethras stone symptoms
   severe pain because of the stone sticking in urethras, otherwise, the stone itself has no sign. There are obstruction, infection, dropsy, severe pain in beaded ribs, nausea, vomiting and diarrhea. The pain is severe and it is like a birth pain. Hematuria or blood in urine can be seen.